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  • Most people consume enough vitamin B12 foods to prevent a deficiency, but vegetarians and certain other groups who do not eat many animal-sourced foods may be low in B12. Get a list of foods rich in vitamin B12, including vitamin B12 foods for vegetarians.
  • Creatine is an amino acid that your body uses during physical activity. Your body makes creatine naturally, but you can also get it by eating seafood and red meat. Creatine’s effects on your body’s ability to make energy lead some athletes to take it as a supplement. Creatine benefits go beyond athletic performance, including uses for aging skin. The supplement is considered safe when used correctly, but talk to your doctor to weigh creatine’s pros and cons before adding it to your diet.
  • Castor oil’s use as a laxative and natural emollient for dry skin and hair is well known. But before you use castor oil, learn more and talk with your doctor about castor oil benefits and risks, including warnings about castor oil for labor induction.